High frequency periodic forcing of the oscillatory catalytic CO oxidation on 
Pt(110)

Bodega, Pablo Sánchez; Kaira, Prabha; Beta, Carsten; Krefting, Dagmar; Bauer, Dieter; Mirwald-Schulz, Birgit; Punckt, Christian; Rotermund, Harm-Hinrich

doi:10.1088/1367-2630/9/3/061

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High frequency periodic forcing of the oscillatory catalytic CO oxidation on Pt(110)

MPS-Authors

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Bodega, Pablo Sánchez
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21691

Kaira, Prabha
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons247495

Bauer, Dieter
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21884

Mirwald-Schulz, Birgit
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21976

Punckt, Christian
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons22027

Rotermund, Harm-Hinrich
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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1367-2630_9_3_061.pdf
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引用

Bodega, P. S., Kaira, P., Beta, C., Krefting, D., Bauer, D., Mirwald-Schulz, B., Punckt, C., & Rotermund, H.-H. (2007). High frequency periodic forcing of the oscillatory catalytic CO oxidation on Pt(110). New Journal of Physics, 9:. doi:10.1088/1367-2630/9/3/061.

引用: https://hdl.handle.net/11858/00-001M-0000-0011-0148-0

要旨

Resonant periodic forcing is applied to catalytic CO oxidation on platinum (110) in the oscillatory regime. The external parameters are chosen such that the unperturbed system spontaneously develops chemical turbulence. By periodically modulating the CO partial pressure, changes in the spatiotemporal behaviour of the system can be induced: the turbulent behaviour is suppressed and frequency locked patterns with sub-harmonic entrainment develop. A novel gas-driving compressor has been implemented to perform the experimental work.